234534 57 Description Spring Idle Adjuster

This Mikuni HSR idle adjuster spring provides the essential tension required to hold the idle adjustment screw firmly in place. Designed for use with Mikuni HSR series carburetors, this genuine replacement spring prevents the idle setting from drifting due to engine vibration. It is manufactured from high-tensile spring steel to ensure long-lasting elasticity and resistance to the harsh environment of a motorcycle intake system. Whether performing a complete carburetor overhaul or simply replacing a fatigued component, this spring is vital for maintaining a steady idle and ensuring the carburetor responds accurately to user input.